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A222967
Number of n X 6 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope.
0
28, 185, 5180, 53292, 1492176, 21852384, 687269268, 11877013537, 379255412732, 7601814965106, 242873494106544
OFFSET
1,1
EXAMPLE
Some solutions for n=3:
0 0 0 0 1 1 0 0 1 0 1 0 0 0 1 1 1 0 0 0 0 0 0 1
0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1
0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 1 1 0 1 0 0 1 0 1
CROSSREFS
Column 5 of A222969.
Sequence in context: A125338 A126496 A228742 * A263944 A079903 A167581
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Mar 10 2013
STATUS
approved